's forecast in 90 seconds. but first ktvu's matt keller join us live from ellam rock park where park rangers are taking extra precautions tonight, mark. >> reporter: these signs behind me will be out again tomorrow telling the public that alum rock park is closed due to extreme fire danger. near triple digit temperatures could not stop francis tuddle for practicing for his high school team. but the sign near alum rock park did. >> reporter: now where where are you going to run? >> another loop, something extra. >> reporter: we salk hikers, cyclists and drivers turn around forcing plans to be changed. >> maybe take a walk later on just down the street after it cools down a little bit. >> reporter: rangers closed the park today because of the high fire danger. when temperatures hit 99 degrees they decided closing it tomorrow would be a good idea as well. >> there is fuel down here, if you add hot temperatures and if the wind can i bees up who knows what could happen. >> reporter: firefighters say some of the bay area's most devastating fires happened in october. and the people living in and ab